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Finding the Fourth Proportional to 374,373.08, 561,781.92 and 137,881.64

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Solution

The fourth proportional to 374,373.08, 561,781.92 and 137,881.64 is: 206,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,373.08 : 561,781.92 = 137,881.64 : x
  2. Step 2: Convert to fraction form
    374,373.08/561,781.92 = 137,881.64/x
  3. Step 3: Cross multiply
    374,373.08x = 561,781.92 × 137,881.64
  4. Step 4: Simplify right side
    374,373.08x = 77,459,412,451.95
  5. Step 5: Solve for x
    x = 77,459,412,451.95/374,373.08
  6. Step 6: Final answer
    x = 206,904.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.